BE737282A - - Google Patents
Info
- Publication number
- BE737282A BE737282A BE737282DA BE737282A BE 737282 A BE737282 A BE 737282A BE 737282D A BE737282D A BE 737282DA BE 737282 A BE737282 A BE 737282A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/16—Arrangements for interconnection between switching centres in systems employing carrier frequencies
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/02—Selecting arrangements for multiplex systems for frequency-division multiplexing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
- H04Q5/24—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange for two-party-line systems
- H04Q5/245—Circuit arrangements in which for one subscriber low frequency speech and/or signalling signals proceed on the line, while for the other subscriber the low frequency speech and/or signalling signals are modulated upon a high frequency carrier signal
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1203568A CH495098A (de) | 1968-08-09 | 1968-08-09 | Verfahren und Anordnung zur Mehrfachausnutzung von Teilnehmerleitungen in der Ortsebene |
| DE19691908816 DE1908816B1 (de) | 1969-02-21 | 1969-02-21 | Elektronischer Schalter mit Transistoren |
| DE19691908817 DE1908817C (de) | 1969-02-21 | Elektronischer Umpoler | |
| DE19691908815 DE1908815B1 (de) | 1969-02-21 | 1969-02-21 | Schaltungsanordnung zur Gewinnung eines Schleifenschlusskriteriums bei mehrfach ausgenutzten Fernsprech-Teilnehmerleitungen |
| DE19691908814 DE1908814C3 (de) | 1969-02-21 | 1969-02-21 | Anordnung zur Doppelausnutzung von Teilnehmerleitungen in der Ortsebene mit Übertragung von Ruf-, Belegungs- und Wahlkriterien in Fernsprechanlagen über die mehreren Teilnehmern gemeinsame Anschlußleitung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE737282A true BE737282A (de) | 1970-02-09 |
Family
ID=27509437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE737282D BE737282A (de) | 1968-08-09 | 1969-08-08 |
Country Status (6)
| Country | Link |
|---|---|
| JP (2) | JPS5243041B1 (de) |
| AT (1) | AT312699B (de) |
| BE (1) | BE737282A (de) |
| GB (1) | GB1272830A (de) |
| NL (1) | NL147914B (de) |
| SE (2) | SE388524B (de) |
-
1969
- 1969-07-31 NL NL696911709A patent/NL147914B/xx unknown
- 1969-08-07 AT AT761769A patent/AT312699B/de not_active IP Right Cessation
- 1969-08-08 BE BE737282D patent/BE737282A/xx unknown
- 1969-08-08 SE SE7213159A patent/SE388524B/xx unknown
- 1969-08-08 SE SE6911075A patent/SE399503B/xx unknown
- 1969-08-08 GB GB39776/69A patent/GB1272830A/en not_active Expired
- 1969-08-09 JP JP44063241A patent/JPS5243041B1/ja active Pending
-
1977
- 1977-06-14 JP JP7038677A patent/JPS5440884B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5243041B1 (de) | 1977-10-28 |
| NL6911709A (de) | 1970-02-11 |
| JPS5440884B1 (de) | 1979-12-05 |
| AT312699B (de) | 1974-01-10 |
| NL147914B (nl) | 1975-11-17 |
| SE399503B (sv) | 1978-02-13 |
| SE388524B (sv) | 1976-10-04 |
| GB1272830A (en) | 1972-05-03 |